746666814181 has 2 divisors, whose sum is σ = 746666814182. Its totient is φ = 746666814180.

The previous prime is 746666814137. The next prime is 746666814227. The reversal of 746666814181 is 181418666647.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605659054081 + 141007760100 = 778241^2 + 375510^2 .

It is an emirp because it is prime and its reverse (181418666647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 746666814181 - 2¹⁷ = 746666683109 is a prime.

It is a super-2 number, since 2×746666814181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746666884181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373333407090 + 373333407091.

It is an arithmetic number, because the mean of its divisors is an integer number (373333407091).

Almost surely, 2^746666814181 is an apocalyptic number.

It is an amenable number.

746666814181 is a deficient number, since it is larger than the sum of its proper divisors (1).

746666814181 is an equidigital number, since it uses as much as digits as its factorization.

746666814181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 58.

The spelling of 746666814181 in words is "seven hundred forty-six billion, six hundred sixty-six million, eight hundred fourteen thousand, one hundred eighty-one".